package com.wzy.observerPattern;

/**
 * @Author: wzy
 * @Date: 2022/10/11/9:31
 * @Description: 具体的观察者2
 */
public class ConcreteObserver2 implements ObServer{
    @Override
    public void update() {
        System.out.println("观察者2收到消息");
    }
}
